Metal deforming – By use of non-deforming work-gripping clamp and relatively... – Clamp structure constitutes sole initial metal-deforming...
Patent
1998-11-20
2000-05-16
Crane, Daniel C.
Metal deforming
By use of non-deforming work-gripping clamp and relatively...
Clamp structure constitutes sole initial metal-deforming...
B21D 4102
Patent
active
060620609
ABSTRACT:
A tool kit including a pilotless punch for swaging tube ends with beads, flares and portions of reduced diameter. The kit is particularly useful to automechanics for reconditioning sending units on fuel tanks using common workbench tools and equipment. The tool kit includes a pair of clamping blocks cooperatively forming a chuck for enclosing a tube. Each clamping block has a flat portion along a segment thereof such that both blocks are forcibly retainable against one-another in a common shop vise for firmly clamping a tube. There is also provided a centering bushing and an annular collar for simultaneously enclosing portions of the clamping blocks and a portion of the centering bushing when the centering bushing is positioned adjacent the clamping blocks, for centering the centering bushing with the chuck. The round punch bar is mountable inside a central opening in the centering bushing. The punch bar has a first pilotless swaging die for swaging a tube end. Further, a gauge is incorporated into the centering bushing, and this gauge has a standard dimension corresponding to a required length of a tube end protruding from the chuck prior to swaging the tube end, for gauging a tube end prior to chucking it.
REFERENCES:
patent: 1986025 (1935-01-01), Stecher
patent: 2483982 (1949-10-01), Paquin
patent: 2892480 (1959-06-01), Franck
patent: 3103245 (1963-09-01), Iskyan
patent: 3415100 (1968-12-01), Britts
patent: 3421354 (1969-01-01), Strybel
patent: 3575033 (1971-04-01), Meyer
patent: 4606214 (1986-08-01), Miyazaki
patent: 4754634 (1988-07-01), Murata
patent: 4980961 (1991-01-01), Caudill
patent: 5487294 (1996-01-01), Petersen
Crane Daniel C.
Theriault Mario D.
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